Spirituality

1. You simply add below code in your cms template :

{{block type="cms/block" block_id="IDENTIFIER"}}

2. You want add static Block in xml file inside :
  <block type="cms/block" name="BLOCK_NAME" after="cart_sidebar">
    <action method="setBlockId"><block_id>IDENTIFIER</block_id></action>
  </block>

3. You want add static Block in page inside :

<?php echo $this->getLayout()->createBlock('cms/block')->setBlockId(IDENTIFIER)->toHtml() ?>

its is the method of static block in your cms page...